SelfControl
Is email a distraction? SelfControl is an OS X application which blocks access to incoming and/or outgoing mail servers and websites for a predetermined period of time.
link: http://visitsteve.com/work/selfcontrol/
tags: productivity internet network
Bandwidth throttling in OS X
Advanced OS X users know that Darwin comes with ipfw, which can be used to set up a custom firewall. This same service however can be used to also limit bandwidth on specific ports.
link: http://www.macosxhints.com/article.php?story=20080119112509736
iStat pro: System monitoring dashboard widet
iStat pro is system monitoring widget, which features highly detailed information on CPUs, memory, hard drives, IP and external IP, bandwidth, battery, wireless keyboard and mouse battery, uptime, temperatures, and fans.
link: http://www.islayer.com/index.php?op=item&id=7
tags: monitoring dashboard widget temperature cpu memory network